<template>
<div class="login-container">
    <el-form
        ref="loginForm"
        :model="loginForm"
        :rules="loginRules"
        class="login-form"
        auto-complete="on"
        label-position="left"
    >

        <div class="title-container">
            <h3 class="title">
                <img style="width: 100%;" src="@/assets/common/login-logo.png">
            </h3>
        </div>

        <el-form-item prop="mobile">

            <span class="svg-container">
                <svg-icon icon-class="user"></svg-icon>
            </span>

            <el-input
                ref="mobile"
                v-model="loginForm.mobile"
                placeholder="Username"
                name="mobile"
                type="text"
                tabindex="1"
                auto-complete="on"
            ></el-input>
        </el-form-item>

        <el-form-item prop="password">
            <span class="svg-container">
                <svg-icon icon-class="password"></svg-icon>
            </span>
            <el-input
                :key="passwordType"
                ref="password"
                v-model="loginForm.password"
                :type="passwordType"
                placeholder="Password"
                name="password"
                tabindex="2"
                auto-complete="on"
                @keyup.enter.native="handleLogin"
            ></el-input>
            <span class="show-pwd" @click="showPwd">
                <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"></svg-icon>
            </span>
        </el-form-item>

        <el-button
            class="loginBtn"
            :loading="loading"
            type="primary"
            style="width:100%;margin-bottom:30px;"
            @click.native.prevent="handleLogin"
        >
            Login
        </el-button>

        <div class="tips">
            <span style="margin-right:20px;">账号: 13800000002</span>
            <span> 密码: nimadebi~</span>
        </div>

    </el-form>
</div>
</template>

<script>
import {
	validMobile
} from '@/utils/validate'
import {
	mapActions
} from 'vuex' // 引入vuex的辅助函数
export default {
	name: 'Login',
	data() {
		const checkPhone = (rule, value, callback) => {
			validMobile(value) ? callback() : callback(new Error('手机号码格式有误！'))
		}
		return {
			loginForm: {
				mobile: '13800000002',
				password: 'nimadebi~'
			},
			loginRules: {
				mobile: [{
					required: true,
					trigger: 'blur',
					validator: checkPhone
				}],
				password: [{
					required: true,
					message: '请输入密码',
					trigger: 'blur'
				}, {
					required: true,
					min: 6,
					message: '密码格式有误',
					trigger: 'blur'
				}]
			},
			loading: false,
			passwordType: 'password',
			redirect: undefined
		}
	},
	watch: {
		$route: {
			handler: function(route) {
				this.redirect = route.query && route.query.redirect
			},
			immediate: true
		}
	},
	methods: {
		...mapActions('user', [
			'login'
		]),

		showPwd() {
			if (this.passwordType === 'password') {
				this.passwordType = ''
			} else {
				this.passwordType = 'password'
			}
			this.$nextTick(() => {
				this.$refs.password.focus()
			})
		},
		handleLogin() {
			this.$refs.loginForm.validate(async valid => {
				if (valid) {
					/* 分发actions */
					this.loading = true
					try {
						await this.login(this.loginForm)
						this.$message.success('登录成功！')
						this.$router.push('/')
					} catch (e) {
						// TODO handle the exception
						console.log(e)
					} finally {
						this.loading = false
					}
				}
			})
		}
	}
}
</script>

<style lang="scss">
	/* 修复input 背景不协调 和光标变色 */
	/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

	$bg:#283443;
	$light_gray: #68b0fe;
	$cursor: #fff;

	@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
		.login-container .el-input input {
			color: $cursor;
		}
	}

	/* reset element-ui css */
	.login-container {
		background-image: url('~@/assets/common/login.jpg'); // 设置背景图片
		background-size: cover;
		background-position: center; // 将图片位置设置为充满整个屏幕

		.el-input {
			display: inline-block;
			height: 47px;
			width: 85%;

			input {
				background: transparent;
				border: 0px;
				-webkit-appearance: none;
				border-radius: 0px;
				padding: 12px 5px 12px 15px;
				color: $light_gray;
				height: 47px;
				caret-color: $cursor;

				&:-webkit-autofill {
					-webkit-transition-delay: 99999s;
					-webkit-transition: color 99999s ease-out, background-color 99999s ease-out;
				}
			}
		}

		.el-form-item {
			border: 1px solid rgba(255, 255, 255, 0.1);
			background: rgba(255, 255, 255, 0.7); // 输入登录表单的背景色
			border-radius: 5px;
			color: #454545;
		}

		.el-form-item__error {
			color: #fff
		}

		.loginBtn {
			background: #407ffe;
			height: 64px;
			line-height: 32px;
			font-size: 24px;
		}
	}
</style>

<style lang="scss" scoped>
	$bg:#2d3a4b;
	$dark_gray:#889aa4;
	$light_gray:#eee;

	.login-container {
		min-height: 100%;
		width: 100%;
		background-color: $bg;
		overflow: hidden;

		.login-form {
			position: relative;
			width: 520px;
			max-width: 100%;
			padding: 160px 35px 0;
			margin: 0 auto;
			overflow: hidden;
		}

		.tips {
			font-size: 14px;
			color: #fff;
			margin-bottom: 10px;

			span {
				&:first-of-type {
					margin-right: 16px;
				}
			}
		}

		.svg-container {
			padding: 6px 5px 6px 15px;
			color: $dark_gray;
			vertical-align: middle;
			width: 30px;
			display: inline-block;
		}

		.title-container {
			position: relative;

			.title {
				font-size: 26px;
				color: $light_gray;
				margin: 0px auto 40px auto;
				text-align: center;
				font-weight: bold;
			}
		}

		.show-pwd {
			position: absolute;
			right: 10px;
			top: 7px;
			font-size: 16px;
			color: $dark_gray;
			cursor: pointer;
			user-select: none;
		}
	}
</style>
